<html xmlns="http://www.w3.org/1999/xhtml">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>实用工具</title>
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<body>
<iframe frameborder="0" marginheight="0" marginwidth="0" style="width:560px;height:460px;overflow-y:auto;" src="http://mimg.163.com/assist/computer/jsq_shuxue.htm" name="phone"></iframe>    
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